Beth's Blueberry Crumb Cake Recipe

INGREDIENTS:
½ cup (120g) of butter
¾ cup (150g) sugar
2 eggs
1 tsp (5 ml) vanilla
2 cups (240g) of flour
2 tsp (10 ml) baking powder
½ tsp (2.5ml) salt
½ cup (120 ml) milk
2 cups (300g) fresh blueberries

Topping:
1 cup (200g) of sugar
½ cup (60g) flour
1 tsp (5 ml) cinnamon
½ cup (120g) butter